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Finding the Fourth Proportional to 238,504.90, 357,535 and 80,622.94

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Solution

The fourth proportional to 238,504.90, 357,535 and 80,622.94 is: 120,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,504.90 : 357,535 = 80,622.94 : x
  2. Step 2: Convert to fraction form
    238,504.90/357,535 = 80,622.94/x
  3. Step 3: Cross multiply
    238,504.90x = 357,535 × 80,622.94
  4. Step 4: Simplify right side
    238,504.90x = 28,825,522,852.90
  5. Step 5: Solve for x
    x = 28,825,522,852.90/238,504.90
  6. Step 6: Final answer
    x = 120,859.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.